Units running properly. supply and return air temperatures were taken, static pressure for the unit were taken, all major and minor electrical components were checked, condensate line was flushed, refrigerant pressures and temperatures were checked. Customer was advised his system servicing the upstairs was displaying signs of low refrigerant level and he may have a leak in this unit, that the compressor on both units have excessive startup amps and his capacitors on both units are not within design tolerance. He was provided options to fix these in addition to a recommendation to have UV light installed to combat biological growth build up in the air handler. Customer expressed a desire to move away from carrier and maybe get a daiken system instead, estimates for this unit were emailed along with options for repair costs.